CVE-2017-18141 Privilege escalation in Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear

High 7.8 Published Updated

Attackers can escalate privileges from the non-secure world to access TEE functions via secure monitor calls on Qualcomm Snapdragon chips.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-18141?

CVE-2017-18141 is a high-severity vulnerability in Qualcomm Ipq8074 Firmware, published on 3 Jan 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

When a 3rd party TEE has been loaded it is possible for the non-secure world to create a secure monitor call which will give it access to privileged functions meant to only be accessible from the TEE in Snapdragon Automobile, Snapdragon Mobile and Snapdragon Wear in versions IPQ8074, MDM9206, MDM9607, MDM9635M, MDM9650, MDM9655, MSM8996AU, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 650/52, SD 810, SD 820, SD 820A, SD 835, SDA660, SDM439, SDM630, SDM660, SDX24, Snapdragon_High_Med_2016.

Which versions are affected by CVE-2017-18141?

It affects 34 products.

Products include Qualcomm Ipq8074 Firmware, Qualcomm Mdm9206 Firmware, Qualcomm Mdm9607 Firmware, Qualcomm Mdm9635m Firmware, Qualcomm Mdm9650 Firmware, Qualcomm Mdm9655 Firmware and 28 more.

How do I fix CVE-2017-18141?

No fix has been published for CVE-2017-18141 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-18141 being exploited?

There is no known exploitation of CVE-2017-18141 in the wild and no public exploit code.

All Qualcomm Ipq8074 Firmware vulnerabilities

Sources

Also known as GHSA-cwvg-fjw2-j4p8.

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